Home / 21,495.26-29,665.59-12,063.86

Finding the Fourth Proportional to 21,495.26, 29,665.59 and 12,063.86

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Solution

The fourth proportional to 21,495.26, 29,665.59 and 12,063.86 is: 16,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.26 : 29,665.59 = 12,063.86 : x
  2. Step 2: Convert to fraction form
    21,495.26/29,665.59 = 12,063.86/x
  3. Step 3: Cross multiply
    21,495.26x = 29,665.59 × 12,063.86
  4. Step 4: Simplify right side
    21,495.26x = 357,881,524.58
  5. Step 5: Solve for x
    x = 357,881,524.58/21,495.26
  6. Step 6: Final answer
    x = 16,649.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.